William A. and Sarah (Babcock) Kerr, 10 North 52 West
POSSIBLY the William A. Kerr in 1880 Park County, Colorado, a stockman, 25, born in New York.
Emily Babcock was in Boulder County in 1870, 8, with J. Babcock 45 and Mary 40. Waldo is 13.
In 1880 Boulder County, Emily is 17, brother Walter 21, Eliza 43, and Royal 5.
Eliza is buried in Boulder 1839-1910 # 50001794, with Joseph Babcock 1824-1878.
Boulder County marriages :
W. A. Keer to S. E. Babcock Dec. 30, 1880
William H. Gillam Min. Book J Page 350
William claimed a quarter in section 18, 10N 52W, Logan County, in 1890.
In 1900 Potsdam, New York, William A. Kerr is farming, born August 1852, with Sarah G. Oct 1862, William W. Jan 1882, Berna E. January 1883, Dora E. June 1884, Ernest E. June 1888, Ira J. Sept 1890, and Harvey Oct 1894, all born in New York except Sarah in Colorado.
Sarah Emily (Babcock) Kerr 1862-1913 is buried in Potsdam # 79372844.
July 2, 1913 
1920 Loveland "The top price was paid by W. A. Kerr & Son of Berthoud for a six-year-old cow $ 805."
In 1930 Adams County, Colorado, William A. Kerr is widowed, 75, born in New York, son Harold L. 35 also born in New YOrk, mother born in Colorado.
William A. Kerr 1855-1943 is buried in Potsdam # 79372860.
IVAN
Ivan Kerr, 22, married Irene Williams on July 19, 1913 in St. Lawrence County.
Ira Ivan Kerr registered for WWI in Berthoud, Colorado, farming, born Sept 24, 1890 in Potsdam, NY, single.
1921 Estes Park, Colorado "Ivan Kerr is building a garage and service station, while W. A. Kerr & Son will operate the Alpine Dairy supplying this region."
" Irene got remarried to Morrice Gardner from Michigan. "
Ivan Ira Kerr of New York 35, and Myrtle Mae Shipman, 24 of Colorado, had Lai Doris Kerr on January 4, 1925 in Los Angeles.
They had Merrill David Kerr on January 30, 1923 in Los Angeles.
Ira Ivan Kerr 1890-1956 is buried in Los Andeles County # 157261078, with Mae M. Kerr 1900-1984.
Mae M. Kerr 1900-1984 is buried in Livermore, California # 10663795.
Merle David Kerr, born Jan 30, 1924, died Feb 2, 1982 in Los Angeles County.
Berna Ladoris Kerr Schmidt is buried in Alameda County , with Roy V. Schmidt 19182004. Her first husband was William . Jetton 1923-1993.
BERNA
"Berna Etta Kerr
Birth: 25 JUN 1883 in Potsdam, St. Lawrence, NY
Death: JUN 1982 in Massena, St. Lawrence, NY
Dorman Lee Hicks b: 2 MAR 1884 in Stockholm, St. Lawrence, NY
Married: 13 JAN 1910 in Potsdam, St. Lawrence, NY "